Turbo Code Using Adaptive Puncturing for Pixel Domain Distributed Video Coding

  • Mohamed Haj Taieb
  • Jean-Yves Chouinard
  • Demin Wang
  • Khaled Loukhaoukha
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6134)

Abstract

Distributed video coding is a research field which brings together error coding techniques along with video compression ones. Its core part is a Slepian-Wolf encoder which often involves turbo codes because of their strong error correction capabilities. The turbo encoder generates parity bits which are sent to refine the side information constructed at the decoder by interpolation using the neighboring key frames already received. For bit rate flexibility, these parity bits are punctured and sent gradually upon request until the receiver can correctly decode the frame. In this work, we introduce a novel distributed video coding scheme with adaptive puncturing that sends more parity bits when the virtual channel is noisy and less parity bit when it is not the case. Considerable compression performance improvement over the puncturing techniques used in literature is reported.

Keywords

Distributed video coding Rate compatible punctured Turbo code Log-MAP decoding 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Mohamed Haj Taieb
    • 1
  • Jean-Yves Chouinard
    • 1
  • Demin Wang
    • 2
  • Khaled Loukhaoukha
    • 1
  1. 1.Laval University, QuebecCanada
  2. 2.Communications Research Centre CanadaOttawaCanada

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